DHCP Server configuration parameters description:
Enable DHCP Server: The switch of DHCP Server function
Starting Address: Starting base address of DHCP Server address pool, network
segment + starting address = starting ip address of address pool. In the
screenshot, the network segment of eth1 is 192.168.3.0/24, and the base address is
1, then the starting address of the address pool is 192.168.3.1/24.
Max Address Number: The maximum number of addresses in the address pool.
Lease period: The length of the lease period
3.3.1.2.2 Configure cellular dialing
Cellular network parameters Description: